Brian Crower Honda / Acura K20A2 K24A2 K20Z3 Stage 2 N/A or Big Boost Camshafts - BC0042-2

Key Features & Specs:

• Brand: Brian Crower
• Part Number: BC0042-2
• Engine Platform: Honda/Acura K20A2 / K24A2 / K20Z3
• Part Type: Camshaft set
• Camshaft Stage: Stage 2
• Material: 8620 billet steel
• Application Type: Naturally aspirated or high boost
• Recommended N/A Setup: 11.5:1+ compression
• Recommended Boost Setup: 18 psi+
• Advertised Duration: 304° intake / 300° exhaust
• Duration @ .050: 234° intake / 228° exhaust
• Valve Lift with 1.75:1 Ratio: .525 in. intake / .472 in. exhaust
• Valve Lift Metric: 13.34mm intake / 11.99mm exhaust
• Street Manners: Excellent idle quality and drivability
• Recommended Mods: Cold air intake, header, exhaust, ECU tuning, and air/fuel upgrades
• Required Kit: BC0040 or BC0040S

Fitment:

• Honda/Acura K20A2 Engines
• Honda/Acura K24A2 Engines
• Honda/Acura K20Z3 Engines
• Honda/Acura K-Series Performance Builds

The Brian Crower BC0042-2 Stage 2 camshafts are designed for Honda and Acura K-series performance builds using the K20A2, K24A2, and K20Z3 engine platforms. Manufactured from 8620 billet steel, this camshaft set is built for aggressive naturally aspirated setups with 11.5:1 or higher compression, as well as high-boost turbo applications running 18 psi or more. With strong lift, extended duration, and excellent street manners, these cams are a proven upgrade for builders looking to improve airflow, powerband, throttle response, and high-rpm performance while maintaining good idle quality. Supporting intake, header, exhaust, ECU, and air/fuel tuning upgrades are recommended. Requires Brian Crower kit BC0040 or BC0040S for proper installation.